ARM: spear: fix typos in comments

Various spelling mistakes in comments.
Detected with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Link: https://lore.kernel.org/r/20220318103729.157574-21-Julia.Lawall@inria.fr'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/mach-spear/spear13xx.c

@@ -29,7 +29,7 @@ void __init spear13xx_l2x0_init(void)
 	/*
 	 * 512KB (64KB/way), 8-way associativity, parity supported
 	 *
-	 * FIXME: 9th bit, of Auxillary Controller register must be set
+	 * FIXME: 9th bit, of Auxiliary Controller register must be set
 	 * for some spear13xx devices for stable L2 operation.
 	 *
 	 * Enable Early BRESP, L2 prefetch for Instruction and Data,